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Unlock bootloader and flash twrp with Spflashtool

Hi guys i want to share with you this methode to unlock bootloader on Oreo for Nokia 3 go to this thread and requests the files from @bigrammy
This is the thread link : https://forum.xda-developers.com/no...-t3708129/post76293046?nocache=1#post76293046
Don't forget to hit thank's to him and me 12 thanks is not enough ??

This methode work with So Flashtool ?

I'm going to make SPflashTool working. I have some issue

Riadh300 said:
Hi guys i want to share with you this methode to unlock bootloader on Oreo for Nokia 3 go to this thread and requests the files from @bigrammy
This is the thread link : https://forum.xda-developers.com/no...-t3708129/post76293046?nocache=1#post76293046
Don't forget to hit thank's to him and me 12 thanks is not enough ?
Click to expand...
Click to collapse
Thanks for your enthusiasm but my method does not Unlock the bootloader so you should change your thread title.
As I told you I will open a thread when the method is fully tested by a few advanced user's who are testing it now and you will be given full credit for all your help.
I do not want to risk anyone bricking their phones due to rushing. Many none advanced users bricked their sony c4 phones by Not following my instructions so I need this to be 100% clear and fully tested I hope you understand.

I understand you @bigrammy by flashing twrp bootloader will automatically unlocked !

Riadh300 said:
I understand you @bigrammy by flashing twrp bootloader will automatically unlocked !
Click to expand...
Click to collapse
If the bootloader was unlocked fully you would be able to use fastboot to flash the device but we cannot so the bootloader is still locked to all intense purposes.
The secure boot chain does appear to be broken so we can use SPFlashTool to flash and boot our TWRP recovery but the secure boot chain may still be working if you have never unlocked the bootloader before like on Android 7.x. This means TWRP may Not boot up for everyone. Like I said it needs to be fully tested.

bigrammy said:
If the bootloader was unlocked fully you would be able to use fastboot to flash the device but we cannot so the bootloader is still locked to all intense purposes.
The secure boot chain does appear to be broken so we can use SPFlashTool to flash and boot our TWRP recovery but the secure boot chain may still be working if you have never unlocked the bootloader before like on Android 7.x. This means TWRP may Not boot up for everyone. Like I said it needs to be fully tested.
Click to expand...
Click to collapse
Thanks for this informations ! ?

Riadh300 said:
I understand you @bigrammy by flashing twrp bootloader will automatically unlocked !
Click to expand...
Click to collapse
Actually, spflashtool bypasses the bootloader in this instance, so the bootloader is untouched and you still flash twrp
---------- Post added at 08:35 AM ---------- Previous post was at 08:02 AM ----------
bigrammy said:
I do not want to risk anyone bricking their phones due to rushing. Many none advanced users bricked their sony c4 phones by Not following my instructions so I need this to be 100% clear and fully tested I hope you understand.
Click to expand...
Click to collapse
Not to be pessimistic, but you do realise that even with all your precautions,people will still not read properly and will still brick their phones, no matter how many precautions you take. Even if you had an app that requires you to click one button to do everything,there are still people who will do it wrong. That said I think I know of one or 2 people in this Nokia 3 forum who were able to recover their phones using spflashtool AFTER the phone couldn't even be detected by their pc, even OST flashing was not possible .
Another thing is, all the Nokia 3 is last year's phone, I wonder how many experienced users will be buying the phone now, and experienced people are probably not the best way to get something 100% tested, because they know the right steps to take.
I think you should make your method public after you hear from SkaboXD

redweaver said:
Another thing is, all the Nokia 3 is last year's phone, I wonder how many experienced users will be buying the phone now, and experienced people are probably not the best way to get something 100% tested, because they know the right steps to take.
I think you should make your method public after you hear from SkaboXD
Click to expand...
Click to collapse
Sorry I replied to your PM before seeing this.
True there is no accounting for people but I don't want to get bogged down by noob's. If you and maybe SkaboXD would like to open a thread and manage it using the method then that would be fine by me as long as credit is give to Riadh300 the original tester and who informed me SPFlashTool still worked and myself of course.
Please read my PM about the bootloader condition as I recommend only previously unlocked devices try this for now until tested by Advanced user able to recover the device should anything go wrong (EFuse Blown).

bigrammy said:
Sorry I replied to your PM before seeing this.
True there is no accounting for people but I don't want to get bogged down by noob's. If you and maybe SkaboXD would like to open a thread and manage it using the method then that would be fine by me as long as credit is give to Riadh300 the original tester and who informed me SPFlashTool still worked and myself of course.
Please read my PM about the bootloader condition as I recommend only previously unlocked devices try this for now until tested by Advanced user able to recover the device should anything go wrong (EFuse Blown).
Click to expand...
Click to collapse
Alright I understand your point now. One thing I wonder though is: would someone on nougat who has never unlocked bootloader be able to flash ost?
Just checked my phone, oem unlocking was set to off so you're right, your method doesn't actually affect the bootloader.
I actually don't mind posting your method and giving you guys the credit, I just thought that you would want to be the one to do so.
Anyway I'll wait to hear @SkaboXD thoughts before I decide on whether to put up the post

redweaver said:
Alright I understand your point now. One thing I wonder though is: would someone on nougat who has never unlocked bootloader be able to flash ost?
Just checked my phone, oem unlocking was set to off so you're right, your method doesn't actually affect the bootloader.
I actually don't mind posting your method and giving you guys the credit, I just thought that you would want to be the one to do so.
Anyway I'll wait to hear @SkaboXD thoughts before I decide on whether to put up the post
Click to expand...
Click to collapse
Before on 7.0 I flashed a TWRP I was working on via SPFlashTool bootloader locked and ended up in a never ending recovery bootloop which none advanced users may find difficult to get out of now this may of been because I screwed up the TWRP or more likely because the bootloader was Locked.
I did not try any other TWRP's until I was bootloader Unlocked and I have not had the recovery bootloop since.
Not sure about OST as SPFlashTool is by far the best tool for MediaTek devices and recovery of said devices remember the SoC manufacturer knows best and I only ever see problems when the OEM's try to move away from it like Sony did.
Happy for you to take the lead I am too busy in other threads to worry about it

bigrammy said:
Before on 7.0 I flashed a TWRP I was working on via SPFlashTool bootloader locked and ended up in a never ending recovery bootloop which none advanced users may find difficult to get out of now this may of been because I screwed up the TWRP or more likely because the bootloader was Locked.
I did not try any other TWRP's until I was bootloader Unlocked and I have not had the recovery bootloop since.
Not sure about OST as SPFlashTool is by far the best tool for MediaTek devices and recovery of said devices remember the SoC manufacturer knows best and I only ever see problems when the OEM's try to move away from it like Sony did.
Happy for you to take the lead I am too busy in other threads to worry about it
Click to expand...
Click to collapse
So how did you get your phone back anyway?

redweaver said:
Alright I understand your point now. One thing I wonder though is: would someone on nougat who has never unlocked bootloader be able to flash ost?
Just checked my phone, oem unlocking was set to off so you're right, your method doesn't actually affect the bootloader.
I actually don't mind posting your method and giving you guys the credit, I just thought that you would want to be the one to do so.
Anyway I'll wait to hear @SkaboXD thoughts before I decide on whether to put up the post
Click to expand...
Click to collapse
I will lock bootloader and try this method of rooting. I think that is this the best method because it doesn't affect bootloader so you can have OTA updates. Just what is the root manager, SuperSU or Magisk?
I think that we could make a thread when this mehod is tested on both Nougat and Oreo with locked bootloader. As far as i read, Oreo is tested so only Nougat remains to test.

redweaver said:
So how did you get your phone back anyway?
Click to expand...
Click to collapse
:laugh: Sorry mate this is what I mean. I simply don't have the time to sit answering every single question as there is no short answers
I hope you understand.

SkaboXD said:
I will lock bootloader and try this method of rooting. I think that is this the best method because it doesn't affect bootloader so you can have OTA updates. Just what is the root manager, SuperSU or Magisk?
I think that we could make a thread when this mehod is tested on both Nougat and Oreo with locked bootloader. As far as i read, Oreo is tested so only Nougat remains to test.
Click to expand...
Click to collapse
OK, one thing though, before flashing the recovery you might want to do a backup of the stock recovery if you don't already have one. That's what I did, so after I got root, flashed back my stock recovery. Magisk is the root manager ,
---------- Post added at 12:17 PM ---------- Previous post was at 12:12 PM ----------
bigrammy said:
:laugh: Sorry mate this is what I mean. I simply don't have the time to sit answering every single question as there is no short answers
I hope you understand.
Click to expand...
Click to collapse
oh you mean you went through hoops to get your phone back? I thought you would say you got a stock recovery somewhere and flashed using spflashtool or used the ost method. I didn't actually expect you to outline the steps you used. BTW, first time I flashed twrp AFTER unlocking bootloader, I got stuck in a recovery bootloop too. I had to flash my phone with OST then retry the process again.
One other thing, I think OST is actually a propriety software that is supposed to work for lots of phones, at least I know that users of other non mediatek Nokia phones also use it to recover their phones (with the corresponding stock images of course)

SkaboXD said:
I will lock bootloader and try this method of rooting. I think that is this the best method because it doesn't affect bootloader so you can have OTA updates. Just what is the root manager, SuperSU or Magisk?
I think that we could make a thread when this mehod is tested on both Nougat and Oreo with locked bootloader. As far as i read, Oreo is tested so only Nougat remains to test.
Click to expand...
Click to collapse
Magisk hide allows you get OTA's see the Magisk thread and yes it will work on any android version.
@redweaver
I am glad you got out of the loop but your clearly a more advanced user hence why I ask you to test. :good:
The OST is very convoluted for use on MediaTek devices and is very unnecessary it also requires unnecessary FIH software to be installed on the phone to work properly.
They likely choose this method to work across different SoC's but it's not what MediaTek use SPFlashTool is MediaTeks own software.
EDIT: Sorry lost internet for a while then.
I continue: Good news is I do not think they will be able to remove SPFlashTool use as it's binary on device which lives on a none volatile area ram chip or radio chip and is loaded at the factory so I doubt it can be updated via a OTA. :fingers-crossed:
Sony actually replaced this and this is the only device I have been unable to recover and even Sony were replacing the boards of bricked devices but if they had left the Mediatek binary in there it would not of been a issue as SPFlashTool would of been able to recover them. :good:

guys, old thread, i know, different device, i know, but ive been in the dark and this is what most resembles my issue.
any hints would be appreciated, read all 2 pages, can you believe it? im a very average xda enthusiast.
worries out of the way, my sincere thanks beforehand follow.
issue
carrier doesnt get in the way
oem doesnt get in the way
oem unlock toggle, check, adb debugging, you and i know the drill, no driver/cable issues
cannot for the life of me unlock bootloader, this one would take the newer command, however i tried them all ive come accross to no avail
output encourages me to unlock first, howwever not a clue is given as to how to accomplish it. this isnt the flash a file type of unlocking, either, at least not oem provided. going nuts.
go ahead and feel free to issue "advanced" directions (meaning, like your voicemail, instead of "for voicemail configurations press 8" and just "configurations 8"
spreatrum, not mtk
x120c
came with oreo go, treble enabled per getprop
i dont know what else, please

Rooting (only) Honor View 10

Looking for some advice........I've just bought an Honor View 10 and I want to root it (just to use Apps that require root access), i.e. I don't need to flash any images etc as I'm not installing a new ROM
Is this possible straight out of the box? i.e Phone still has a locked Bootloader
If so, is there a guide somewhere on how to do this? ......Cheers!

You should really do some research before asking. Your answers are out there, just look for them.

riverbird69 said:
Looking for some advice........I've just bought an Honor View 10 and I want to root it (just to use Apps that require root access), i.e. I don't need to flash any images etc as I'm not installing a new ROM
Is this possible straight out of the box? i.e Phone still has a locked Bootloader
If so, is there a guide somewhere on how to do this? ......Cheers!
Click to expand...
Click to collapse
You REALLY shouldn't have bought any Huawei/Honor device since they no longer give out bootloader unlock codes.
The only way to unlock now is through paid services, so if you still can I suggest you return it and get a phone from another manufaturer like OnePlus or Xiaomi

I know other phones are easier to root since Honor/Huawei aren't giving out Bootloader codes anymore, but that didn't really answer my question though......Is it possible to just root the phone without a Bootloader Code (just root, no flashing)..

riverbird69 said:
I know other phones are easier to root since Honor/Huawei aren't giving out Bootloader codes anymore, but that didn't really answer my question though......Is it possible to just root the phone without a Bootloader Code (just root, no flashing)..
Click to expand...
Click to collapse
No it is not possible. The bootloader code is needed to root/flash. You can like the previous person, spend some cash to get the bootloader code. Hope that helps?

Thanks for the reply, was hoping for a different answer though! Cheers...

riverbird69 said:
Thanks for the reply, was hoping for a different answer though! Cheers...
Click to expand...
Click to collapse
No worries, wish the answer was different. Still without root this phone is amazing

How To Guide [ROOT][GAPPS] Root and install GApps on stock Edge S/Chinese version

So you got the Edge S and want GApps? Basically you unlock your bootloader, root with Magisk, then install MagiskGApps.
DISCLAIMER: UNLOCKING YOUR BOOTLOADER MAY VOID YOUR WARRANTY, AND DOING ALL THESE THINGS IN THIS GUIDE MAY RESULT IN DAMAGE/BRICKING YOUR PHONE. I AM NOT RESPONSIBLE FOR ANYTHING YOU DO TO YOUR PHONE. PROCEED AT YOUR OWN RISK.
1. Unlock the bootloader: that should be doable with their global bootloader unlock website here.
2. Download Lenovo Motoroa Smart Assistant (Rescue and Smart Assistant), and follow its instructions to "rescue" your device. It will lead you to boot into bootloader mode and download the firmware. Find the firmware file via the LMSA's downloads (should have a "show folder" button). You'll need the boot.img file for Magisk.
3. Download Magisk, then follow its instructions. You'll have to copy the boot.img to your device, then use Magisk to patch the boot file, then copy the modified one to your PC.
4. You'll need fastboot. If you don't have it already, you can download the Android SDK platform tools here. Then go into the folder, Shift+Right Click the folder, then "Open Command Prompt" or "Open PowerShell," you should have something close to one of those two. Copy your Magisk modified .img file to that folder, then you'll want to input:
fastboot flash boot [modified .img file]
Once that completes, you should see in large text, "Start" on your phone next to the power button. Press the power button, and it should boot, and you should have root now.
5. Download MagiskGApps to your phone, open Magisk on your phone, click the button that looks like a puzzle piece at the bottom of the screen, "Modules." Click "Install from storage," locate the MagiskGApps file, and install it. After that it will ask you to restart your phone, do that, then you'll just have to be patient as it takes time once its restarted to load everything. You also may need to update some or all of the apps, then you should be able to use the notification to finish setting up the phone with Google Setup.
Thanks to Motorola for making it easy to unlock their bootloaders
Thanks to the whole Magisk team for making an easy, awesome root (and more!)
Thanks to Wacko1805 (and team?) for making MagiskGApps. This is really awesome.

unlock the BL and get root is will make some apps fingerprint and face ID fail?

kimker said:
unlock the BL and get root is will make some apps fingerprint and face ID fail?
Click to expand...
Click to collapse
Magisk has a "Magisk Hide" which will allow it to pass SafetyNet, and most things which check on device security will think the device is secure. But unlocking BL and rooting does make the device less secure, and therefore incurs its own risks apart from bricking or damaging the device.

HopelesRomantc91 said:
Magisk has a "Magisk Hide" which will allow it to pass SafetyNet, and most things which check on device security will think the device is secure. But unlocking BL and rooting does make the device less secure, and therefore incurs its own risks apart from bricking or damaging the device.
Click to expand...
Click to collapse
yes, i knew the unlock and root will take risk.. but not sure is Payment business apps using fingerprint will work normal.

kimker said:
yes, i knew the unlock and root will take risk.. but not sure is Payment business apps using fingerprint will work normal.
Click to expand...
Click to collapse
Google Pay works. But according to the Motorola website you should be able to relock the bootloader if yours doesn't work. But there's never any guarantee. If you need your device secure, recommend don't unlock bl or root, or wait to see if there's a root option without bootloader unlock that can be easily undone.

HopelesRomantc91 said:
Google Pay works. But according to the Motorola website you should be able to relock the bootloader if yours doesn't work. But there's never any guarantee. If you need your device secure, recommend don't unlock bl or root, or wait to see if there's a root option without bootloader unlock that can be easily undone.
Click to expand...
Click to collapse
I saw that someone’s edge s had unlocked the BL and Flash G100 firmware and everything worked normally, and then tried to lock the BL again, but it was unsuccessful and the system could not start. The flashing tool does not recognize the machine.

kimker said:
I saw that someone’s edge s had unlocked the BL and Flash G100 firmware and everything worked normally, and then tried to lock the BL again, but it was unsuccessful and the system could not start. The flashing tool does not recognize the machine.
Click to expand...
Click to collapse
That's not good. Hopefully they can restore it back somehow. With this guide to unlock and flash gapps why would you need to flash G100 though? This seems to be itright now without one of rom developer's releases to get root & apps. For me this is all i would look for. Titanium backup on it and restore.. done until PE rom comes out.

kimker said:
I saw that someone’s edge s had unlocked the BL and Flash G100 firmware and everything worked normally, and then tried to lock the BL again, but it was unsuccessful and the system could not start. The flashing tool does not recognize the machine.
Click to expand...
Click to collapse
I would think yes, if you flash different firmware, locking the BL would likely cause problems. It's very difficult to do anything w/o unlocked bootloader, except sometimes rooting is doable. That's pretty much the behavior I expect. If they come to this subforum, we might be able to help.

HopelesRomantc91 said:
I would think yes, if you flash different firmware, locking the BL would likely cause problems. It's very difficult to do anything w/o unlocked bootloader, except sometimes rooting is doable. That's pretty much the behavior I expect. If they come to this subforum, we might be able to help.
Click to expand...
Click to collapse
thank you. They did not ask for help. It seems that the lock BL is a self-verification switch, and then performs a verification system integrity.

HopelesRomantc91 said:
I would think yes, if you flash different firmware, locking the BL would likely cause problems. It's very difficult to do anything w/o unlocked bootloader, except sometimes rooting is doable. That's pretty much the behavior I expect. If they come to this subforum, we might be able to help.
Click to expand...
Click to collapse
I'm curious,If you unlock and flash other firmware and then flash back to the original firmware, can it be locked again?

Mine doesn't let me unlock its BL. I've got unlock code from moto and did a factory reset with SIM card in slot 1. After enabling developer mode and debugging the switch still is greyed out. So no chance to unlock it.
Has anyone got an idea what to try now?
Moto support answered yesterday to my request but also no solution since I told them that it doesn't work
Device is not branded. I got it from Amazon so no provider branding.
If this won't be able to be unlocked and rooted I'll have to return it and switch to a Google Pixel.

kischde said:
Mine doesn't let me unlock its BL. I've got unlock code from moto and did a factory reset with SIM card in slot 1. After enabling developer mode and debugging the switch still is greyed out. So no chance to unlock it.
Has anyone got an idea what to try now?
Moto support answered yesterday to my request but also no solution since I told them that it doesn't work
Device is not branded. I got it from Amazon so no provider branding.
If this won't be able to be unlocked and rooted I'll have to return it and switch to a Google Pixel.
Click to expand...
Click to collapse
I had the same issue, you need to factory reset WITH your sim card in the phone, this will let you open the OEM unlock slide thing in the dev mode.
Then once its done you can fastboot and unlock the bootloader.

I did so, maybe I explained not so well. SIM was inserted and then I did factory reset by starting it from settings. After restart it's still the same - switch / unlock slider greyed out.

kischde said:
I did so, maybe I explained not so well. SIM was inserted and then I did factory reset by starting it from settings. After restart it's still the same - switch / unlock slider greyed out.
Click to expand...
Click to collapse
On my OG Pixel XL, I had to wait 7 days for the slider to become normal. By the time I got around to do it on the Edge S it was about the same time.... could be related

Now as you said that I remember that thingy with another device. Maybe a Xiaomi I think... With that I had to wait several days until the unlock code was delivered.
But there was a message, too, when trying to get it sooner, which said you needed to wait some more time.
Not sure if it's the the same for Moto devices? Then again, when thinking that you experienced the same with a Pixel, too...
Did anyone else make such an experience with his/her g100?

kischde said:
Now as you said that I remember that thingy with another device. Maybe a Xiaomi I think... With that I had to wait several days until the unlock code was delivered.
But there was a message, too, when trying to get it sooner, which said you needed to wait some more time.
Not sure if it's the the same for Moto devices? Then again, when thinking that you experienced the same with a Pixel, too...
Did anyone else make such an experience with his/her g100?
Click to expand...
Click to collapse
Make sure your on the latest OTA, Lenovo made a mistake on previous versions with the OEM Unlocking function not being enabled. They fixed it in latest ota.

RSA tool said the file I uploaded yesterday is the latest one available (and it's exactly the same as the installed version).
The device was released just a few days ago in Europe. Perhaps they fixed the unlock switch in other regions and still need to fix it in Europe..
Will wait until weekend if they come up with a solution. If not I'm afraid I have to return the device as I need it personally AND professionally, too - I'm field agent, so.... :/

HopelesRomantc91 said:
I would think yes, if you flash different firmware, locking the BL would likely cause problems. It's very difficult to do anything w/o unlocked bootloader, except sometimes rooting is doable. That's pretty much the behavior I expect. If they come to this subforum, we might be able to help.
Click to expand...
Click to collapse
The poor guy whose phone turned bricks went to the after-sales department of moto, and the answer was that he needed to replace the phone motherboard. .

kimker said:
The poor guy whose phone turned bricks went to the after-sales department of moto, and the answer was that he needed to replace the phone motherboard. .
Click to expand...
Click to collapse
Ouch...

kimker said:
I'm curious,If you unlock and flash other firmware and then flash back to the original firmware, can it be locked again?
Click to expand...
Click to collapse
I would assume so, but I don't really know why anyone would want to relock.

How To Guide Rooting the SM-F711B (on Version F711BXXU2AUI4) working

First of all:
I'm no Dev...just someone who likes to play lego.
From this point of view everything I post here is taken from somewhere else in the Internet and used by your own risk.
I've read a good startup here.
Hopefully this makes this thread clear enough so that i dont need to describe the whole procedure step by step.
(https://www.naldotech.com/root-samsung-galaxy-z-flip-3-5g-magisk/)
(1.OEM-Unlock,2.BL-Unlock,3.extract boot.img,4.patch boot.img via magisk on the unrooted mobile,5.patch boot.img.tar to AP&BL via Odin, 6.pray)
Anyways...here are maybe small hints to avoid a few traps.
a) Just do the oem-unlock in the dev-options (enabled by tapping buildnumber 5 times) is just half of the rent.
Afterwards i had to go in Download-mode (switch of mobile, press volUp+volDown and connect PC-cable.)
There appears a possibility of choice.
Press VolUp short: get the mobile on standby to flash the rom via odin.
Press VolUp LOONG: get the mobile to the menu where the bootloader can finally get unlocked. (Otherwhise every try to patch a rooted img will be blocked by bootloader-protection.)
Of course this can possibly be done via adb/fastboot commands.
Funny side note: OEM-Unlock-option will completely disappear from Dev-options and waranty is lost. Also the mobile stops to get Updates OTA which means that you have to update manually whenever a new version will appear in the net.
b) patching boot.img via magisk should work as described in many other magisk-rooting-manuals.
Flashing the tar back to the mobile via odin was little bit tricky.
It doesnt reach out just to provide the magisk_patched.tar to Odin just on the AB-line.
I had to patch it to BL too.
Cheers
MikGx

When you boot into bootloader after unlocking, is the message something about "a custom OS can cause critical problems"?
As it stands now, the only reason I have to believe the US bootloader can't be unlocked (or isn't already) was the lack of an OEM unlock button and some cranky kid on the internet saying it hasn't been possible since the S7.
It doesn't make sense why I would have a warning about a custom OS if there is no possible way to install one, though.

@boot into bootloader after unlocking it...:
Yess you are right. Thats exactly the message.
Then you can enter the Device unlock mode again (long press VolUp) to lock bootloader again (then it resets automaticaly to factory-defaults and all work is gone.)
or
continue to flash something (short press VolUp).
Dont know about the US versions. Could be that there is a difference to my EU-models.
But either i rooted nearly every every mobile since the S2

MikGx said:
@boot into bootloader after unlocking it...:
Yess you are right. Thats exactly the message.
Then you can enter the Device unlock mode again (long press VolUp) to lock bootloader again (then it resets automaticaly to factory-defaults and all work is gone.)
or
continue to flash something (short press VolUp).
Dont know about the US versions. Could be that there is a difference to my EU-models.
But either i rooted nearly every every mobile since the S2
Click to expand...
Click to collapse
I think you misunderstood what I was asking, but ended up answering it anyway.
It seems the message about installing custom OS versions may be a boilerplate for the bootloader, not any indication that it's possible.

naldotech.com, the link you provide is pretty clear about the process. What it doesnt say is what to do at the end. When you untick "reboot" in odin, and you finish flashing, your phone will stay in download mode. Then what to do?. Press power and volume down to leave and restart the phone? or, power and volume down, screen goes black imediately power and volume up, enter recovery and restart from there.? please someone ?

Press the power and volume down buttons for about 7 seconds and it will reboot

beanbean50 said:
Press the power and volume down buttons for about 7 seconds and it will reboot
Click to expand...
Click to collapse
I did as you mention but it didnt work. It made me reset the system. But I Fallowed the naldotech.com guide. At the end, being in dawnload mode, I pressed power and volume down, when the screen got black I pressed power and volumen up, I entered recovery mod, cleared cache and re- started the system: Voila my phone is rooted

Hello.
Can someone pleas provide a working link for frija download? The one referring from naldotech seems to be broken (https://www.naldotech.com/download-samsung-galaxy-stock-firmware-frija-tool/)
Update: Found a link via google -> https://technastic.com/odin-download-samsung-latest-all-versions/

twistedumbrella said:
When you boot into bootloader after unlocking, is the message something about "a custom OS can cause critical problems"?
As it stands now, the only reason I have to believe the US bootloader can't be unlocked (or isn't already) was the lack of an OEM unlock button and some cranky kid on the internet saying it hasn't been possible since the S7.
It doesn't make sense why I would have a warning about a custom OS if there is no possible way to install one, though.
Click to expand...
Click to collapse
The USA version (snapdragon soc) can't be rooted as far as I know. There is no way to unlock the bootloader in dev options, at least on Verizon and that holds true even if you bought a unlocked phone. As soon as you insert a Verizon sim and the phone updates it's all over.
I had the same issue with the original Pixel. I bought it unlocked but before rooting it I allowed it to update like a fool. Luckily my son wanted the same phone so I gave him mine then rooted and installed TWRP before putting a Verizon sim in.
Back to Samsung...as far as I know you haven't been able to root the USA version since the note 8. The rest of the planet gets the Exynos SOC but we get the snapdragon and no root method works. My note 9, 10+ and z Flip3 didn't have an unlock bootloader option even before putting a sim in it.

d0x360 said:
The USA version (snapdragon soc) can't be rooted as far as I know. There is no way to unlock the bootloader in dev options, at least on Verizon and that holds true even if you bought a unlocked phone. As soon as you insert a Verizon sim and the phone updates it's all over.
I had the same issue with the original Pixel. I bought it unlocked but before rooting it I allowed it to update like a fool. Luckily my son wanted the same phone so I gave him mine then rooted and installed TWRP before putting a Verizon sim in.
Back to Samsung...as far as I know you haven't been able to root the USA version since the note 8. The rest of the planet gets the Exynos SOC but we get the snapdragon and no root method works. My note 9, 10+ and z Flip3 didn't have an unlock bootloader option even before putting a sim in it.
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Click to collapse
twistedumbrella said:
I think you misunderstood what I was asking, but ended up answering it anyway.
It seems the message about installing custom OS versions may be a boilerplate for the bootloader, not any indication that it's possible.
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Click to collapse
I have to be a little skeptical when my rooted Note 8 came out a year after the S7. There are other reasons, but they tend to make the trolls restless. We'll skip them.

twistedumbrella said:
I have to be a little skeptical when my rooted Note 8 came out a year after the S7. There are other reasons, but they tend to make the trolls restless. We'll skip them.
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Click to collapse
Ok I might be off by a year or 2 but I can say with 100% certainty that the note 9, 10, 10+ and flip3 don't have an unlock bootloader option.
I bought all 4 from Samsung all unlocked and not tied to any carrier. First boot with no sim I checked dev options and there was no option to unlock the bootloader. My note 9 might have had the option in the menu but it was grayed out and I couldn't find anyway to make it work.
A quick Google search for rooting the snapdragon version of any of these devices essentially says "NOPE".
The only way to root one is to buy a non US version. If it has a snapdragon soc you're out of luck.

d0x360 said:
Ok I might be off by a year or 2 but I can say with 100% certainty that the note 9, 10, 10+ and flip3 don't have an unlock bootloader option.
I bought all 4 from Samsung all unlocked and not tied to any carrier. First boot with no sim I checked dev options and there was no option to unlock the bootloader. My note 9 might have had the option in the menu but it was grayed out and I couldn't find anyway to make it work.
A quick Google search for rooting the snapdragon version of any of these devices essentially says "NOPE".
The only way to root one is to buy a non US version. If it has a snapdragon soc you're out of luck.
Click to expand...
Click to collapse
You got where I said "I guess the disclaimer is misleading" right?

twistedumbrella said:
You got where I said "I guess the disclaimer is misleading" right?
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Click to collapse
I didn't see that sentence in any of the posts but perhaps I just missed it.
It doesn't change anything either way. Anything is possible, even you somehow getting a device with this setting. That being said you also seem to be the only person ever to receive a USA device with said option.
It's hard to believe because it would mean the wrong firmware was installed (which makes no sense in itself) but with that firmware the device should have been a brick. The soc is completely different. It would be somewhat like trying to use Nvidia drivers on an AMD GPU... It just wouldn't work.
I dunno... I don't disbelieve you but I don't believe you either. It's just so far fetched for many reasons

d0x360 said:
I didn't see that sentence in any of the posts but perhaps I just missed it.
It doesn't change anything either way. Anything is possible, even you somehow getting a device with this setting. That being said you also seem to be the only person ever to receive a USA device with said option.
It's hard to believe because it would mean the wrong firmware was installed (which makes no sense in itself) but with that firmware the device should have been a brick. The soc is completely different. It would be somewhat like trying to use Nvidia drivers on an AMD GPU... It just wouldn't work.
I dunno... I don't disbelieve you but I don't believe you either. It's just so far fetched for many reasons
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Click to collapse
Lucky? I dunno. Had I known it would cause this much trolling, I wouldn't have bothered to mention it.

I have a general question. I am unfamiliar with rooting/unlocking bootloader on Samsung devices. Is it possible to revert unlocking the bootloader and going back to stock traceless?

david.siebauer said:
I have a general question. I am unfamiliar with rooting/unlocking bootloader on Samsung devices. Is it possible to revert unlocking the bootloader and going back to stock traceless?
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Click to collapse
Partially. I just did that: I have AfWall running on my old phone, tried to unlock the Flip with this manual here in order to use the firewall there, did something wrong - and stumbled upon Netguard while searching what might have happened and decided to give it a try first. (Unless there is a custom ROM for the phone available, I have no other need for root or an unlocked bootloader.)
From what I could find on my Flip 3, you can unlock and relock the bootloader as you like - but as soon as you install a non-genuine bootloader (i.e. one chnaged by Magisk) you will trip Knox - and this cannot be reverted.
In such a case you can still re-lock your bootloader and unlock it later (on my phone, that "7-day-no-switch-indeveloper-options" routine kicked in, but you can circumvent that) - but Knox will stay in its state. From what I read this means some things will not work such as Samsung Pay, but I do not know the details (yet) apart from that it does not bother me ;-), and the nag screen during boot is gone.

Thanks for your reply. Kinda sucks. Never had problems with my former mobiles to get back totally to stock without traces. Guess I disregard rooting for now

david.siebauer said:
Thanks for your reply. Kinda sucks. Never had problems with my former mobiles to get back totally to stock without traces. Guess I disregard rooting for now
Click to expand...
Click to collapse
Well, it's better than my Sony - there it is "once unlocked, always unlocked" with no way back at all
But I have to admit I understand the logic why the manufacturers do that, at least to the degree that they trip a fuse as Samsung does.
By rooting the phone, you shift the responsibility for the software state of the phone from the manufacturer to the user, so I think it is okay to implement something to make it clear to possible future buyers that it is or has been in that state.
(This does not include however all the other stones they put in the way of people wanting to develop or use custom ROMs!)

I remember I also had a Xperia Z3 compact.
Main reason for me for rooting, is the ability to use tools like tasker without non root restrictions or just trying customs roms without bloat, but usefull features. Guess u shouldn't have bought a Samsung lol.

david.siebauer said:
I remember I also had a Xperia Z3 compact.
Main reason for me for rooting, is the ability to use tools like tasker without non root restrictions or just trying customs roms without bloat, but usefull features.
Click to expand...
Click to collapse
Oh, trust me - as soon as I hear there is a custom ROM that works as a daily driver I will root mine as well. I really hope that there will be one for this phone
david.siebauer said:
Guess u shouldn't have bought a Samsung lol.
Click to expand...
Click to collapse
Sadly there is no Fairphone mini or Fairphone Flip - or would it be Fairfliphone? ... Flipfairphone?... - yet (if ever), so the only current alternative would be Motorola. And the price tag for the Razr is simply too much, even if I personally think it looks better than the Samsung. Additionally, I do not know if they are in any way better when it comes to rooting or loading custom ROMs.

Question Re-lock bootloader after root?

Hi folks,
I've managed to stumble my way through using pixel flasher to update my P7Pro to the latest fw with root. Only need root so I can record calls, should I lock the bootloader now I'm done?
Also how do I update in future please without having to wipe, use pixel flasher and patch as I've just done?
I like to think I'm quite tech savvy but the guides for the P7Pro have gone over my head :/

Connorsdad said:
Hi folks,
I've managed to stumble my way through using pixel flasher to update my P7Pro to the latest fw with root. Only need root so I can record calls, should I lock the bootloader now I'm done?
Click to expand...
Click to collapse
Not unless you want to brick your device. You need to be completely stock before relocking your bootloader (unless using avbroot, but you should have a deep understanding about how it works beforehand).
Connorsdad said:
Also how do I update in future please without having to wipe, use pixel flasher and patch as I've just done?
Click to expand...
Click to collapse
Pixel Flasher will work fine for updating.

Lughnasadh said:
Not unless you want to brick your device.
Click to expand...
Click to collapse
Huh, learn something new every day I guess...

Lughnasadh said:
Not unless you want to brick your device. You need to be completely stock before relocking your bootloader (unless using avbroot, but you should have a deep understanding about how it works beforehand).
Pixel Flasher will work fine for updating.
Click to expand...
Click to collapse
Awesome, thanks a lot for your reply, much appreciated.

never ever* lock bootloader on google devices. fastboot only works on unlocked bootloader and there is no alternative to fastboot.
* exception

alecxs said:
never ever lock bootloader on google devices. fastboot only works on unlocked bootloader and there is no alternative to fastboot.
Click to expand...
Click to collapse
And you can't flash a factory image to fix a phone on your own when it's soft bricked. It might have to go to a shop for repairs.

Connorsdad said:
Hi folks,
I've managed to stumble my way through using pixel flasher to update my P7Pro to the latest fw with root. Only need root so I can record calls, should I lock the bootloader now I'm done?
Also how do I update in future please without having to wipe, use pixel flasher and patch as I've just done?
I like to think I'm quite tech savvy but the guides for the P7Pro have gone over my head :/
Click to expand...
Click to collapse
AFAIK, relocking the bootloader requires wiping the device -- much like unlocking does -- and if you're unwilling to set everything (including anything on your /sdcard internal storage, not to mention all apps and their settings & system settings) back up from scratch (as any good complete backups require root access), this might not be what you wish to do.
And, if you had managed to successfully relock the bootloader, you could simply run the in-system update (OTA) that would update without wiping -- or even manually applying OTA from the recovery.
But there are hardly any benefits in re-locking the bootloader (after unlocking it) -- even if one was to a paranoid degree of security; which is the only major reason to (I can point you to the discussions that had taken place on it here, if you wish). If you don't want to run into any issues, you could simply run the stock ROM without root and be hardly impacted by it; with the added benefit of having the option to advanced recovery options and/or rooting options open to you in the future if need be...
alecxs said:
never ever lock bootloader on google devices. fastboot only works on unlocked bootloader and there is no alternative to fastboot.
Click to expand...
Click to collapse
*it just occurs to me you meant to never lock bootloader because it limits options; not the risk of hard-bricking the device -- in which I wrote the following with that assumption. I'll leave the following comment as it is still sound advice, but I apologize in advanced that it doesn't quite relate to what you meant...
I mean, I feel doing Google's official Android Flash Tool is a safe enough method; it wouldn't do well if Google's own tool bricked their devices using their tool...at the very least the tool ensures that the stock factory firmware flashed matches the bootloader version and automates the fastboot commands so when re-locking the bootloader, it has the least potential to brick the device...

Exactly. there is no official flash tool from google, that's why I personally won't recommend to keep bootloader locked. If it's bricked with no working recovery mode, not even repair shop can fix it. all you can do is RMA to google get new device. no edl mode or anything else will help, fastboot is the official flashing method.
If you're referring to the "Android Flash Tool" that's no flash tool at all. I haven't tested it, but to me it looks like a WebUSB browser plugin. Reading the requirements it works with adb commands, usb-debugging and fully booted android is required. Therefore cannot unbrick devices.

Doesn't unlocking the bootloader break saftynet so then you have to root to use gpay?

iRhyiku said:
Doesn't unlocking the bootloader break saftynet so then you have to root to use gpay?
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Click to collapse
I'll just chime in here because I have recently unlocked my bootloader but I haven't been able to root it yet and I haven't had any issues with safety net.

Trippyy Doee said:
I'll just chime in here because I have recently unlocked my bootloader but I haven't been able to root it yet and I haven't had any issues with safety net.
Click to expand...
Click to collapse
Interesting, I thought unlocking would break it. I'll have to unlock then for the extra safty!

iRhyiku said:
Interesting, I thought unlocking would break it. I'll have to unlock then for the extra safty!
Click to expand...
Click to collapse
That's of course another aspect. Good point. If you rely on SafetyNet or it's successor Play integrity, do not unlock bootloader. AFAIR the latter one can't be cheated.

simplepinoi177 said:
But there are hardly any benefits in re-locking the bootloader (after unlocking it)
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Click to collapse
There are some benefits like some banking apps, streaming apps and games beginning to work. So it really depends on what is important for the user. I don't like flashing random mods to make apps work on rooted/ bootloader unlocked devices, primarily banking apps.